:root {
  color-scheme: dark;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #04070a;
  overflow: hidden;
  font-family: system-ui, sans-serif;
  color: #eef6f1;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}
#bg:focus-visible {
  outline: 2px solid #2fe6a4;
  outline-offset: -2px;
}

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(2,5,7,0.55) 100%);
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: #eef6f1;
  color: #04070a;
  padding: 0.5em 1em;
  z-index: 100;
}
.skip:focus {
  left: 1em;
  top: 1em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.help {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 20;
  max-width: 27rem;
  padding: 0.75rem 1rem;
  background: rgba(4, 10, 12, 0.62);
  border: 1px solid rgba(47, 230, 164, 0.28);
  border-radius: 0.4rem;
  font-size: 0.8rem;
  line-height: 1.55;
  backdrop-filter: blur(3px);
}
.help.hidden { display: none; }
.help-title {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #2fe6a4;
}
.help ul { margin: 0; padding-left: 1.1rem; }
.help b { color: #cdf6e6; font-weight: 600; }

#crosshair {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: rgba(238, 246, 241, 0.55);
  box-shadow: 0 0 6px rgba(47, 230, 164, 0.7);
  z-index: 15;
  pointer-events: none;
}

.prompt {
  position: fixed;
  left: 50%;
  top: 58%;
  transform: translateX(-50%);
  z-index: 20;
  padding: 0.5em 1.1em;
  border-radius: 999px;
  background: rgba(4, 10, 12, 0.78);
  border: 1px solid rgba(47, 230, 164, 0.55);
  color: #eef6f1;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  pointer-events: none;
}
.prompt.hidden { display: none; }
.prompt b { color: #2fe6a4; }

.fps {
  position: fixed;
  right: 1rem;
  top: 1rem;
  z-index: 20;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: #2fe6a4;
  background: rgba(4, 10, 12, 0.6);
  padding: 0.25em 0.6em;
  border-radius: 0.3em;
}
.fps.hidden { display: none; }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 5, 7, 0.9);
}
.overlay.hidden { display: none; }

.overlay-panel {
  max-width: 32em;
  padding: 2em;
  background: #080e11;
  border: 1px solid rgba(47, 230, 164, 0.3);
  border-radius: 0.5em;
  line-height: 1.6;
}

#prose-close,
.corner-close {
  margin-top: 1em;
  background: #2fe6a4;
  color: #04070a;
  border: none;
  border-radius: 999px;
  padding: 0.5em 1.2em;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
}

.corner-close {
  position: absolute;
  right: 1.2rem;
  top: 1.2rem;
  margin: 0;
}

#cutscene-overlay { background: #000; }

#cutscene-video {
  max-width: 100%;
  max-height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .prompt { transition: none; }
}